On May 21 GCTC testing and Training complex of Baikonur spaceport opened its doors for Mass media representatives. Less than a week before the launch of Soyuz TMA-13M spacecraft back-up and main crews of ISS 40/41 mission took part in traditional “mass media day” at Baikonur spaceport , thus the journalists got the unique opportunity to watch the final stage of pre-launch preparations.